Walpha Wiki - Derek Bruff and others
As collaborative site to record how secondary and undergraduate math educators use Wolfram|Alpha, or Walpha as it's called here, in the classroom. In particular, the authors are interested in how students might use Walpha themselves, as well as how teachers
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WatsonMath.com - Elaine Watson
A repository for ideas and links that support Watson's work as a K-12 mathematics consultant, such as spreading the word about the Common Core State Standards in Mathematics and how they can be implemented by classroom teachers. Posts, which date back
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Weather Underground - University of Michigan
One Sky, Many Voices: resources for collaborative study of current weather events for K-12 classrooms, after-school groups, and at-home learning. Gather data on weather information on the Web, current conditions around the world, historical weather patterns,
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The Web Classroom - Eagle Eye Web Masters
An educational site from Australia that provides lessons and tests to help students understand concepts in Mathematics and build language skills in English. Elementary and Middle School math pages offer Fun with Fractions, "What Number," Times Tables,
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WebCrawler
Search the WebCrawler contents-indexed database by keyword - the contents of documents are indexed, not just their titles and URLs. You may include both general and specific queries. Or browse categories: Arts & Books; Autos; Careers; Computers &
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WebMath: Instant Solutions to Math Problems
Instant solutions to math problems: look over the various links on the home page until you find a topic that seems to describe the math problem you're working on. Select a link then another and you will be presented with a blank form into which you can
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What is a Fractal? - Alan Beck; Glyphs
The word "fractal" was coined less than twenty years ago by Benoit Mandelbrot, whose work, The Fractal Geometry of Nature, first introduced and explained concepts underlying this new vision. Mandelbrot derived the term "fractal" from the Latin verb frangere,
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what's your favourite number? - Alex Bellos
Enter your favorite number and the reasons for your choice. Part of a research project concerning how humans relate to numbers, this international survey is being conducted by Alex Bellos, author of Alex's Adventures in Numberland and Here's Looking At
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What Works Clearinghouse
Reviews of the effectiveness of educational intervention programs, products, practices, and policies. Among other curricula, the WWC has reviewed studies of the Middle School Math Curricula interventions Cognitive Tutor, Compass Learning, Connected Mathematics
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Where to Start? - Cut the Knot!, Alexander Bogomolny
A discussion of math education: the intent of the NCTM Standards, reflections on the history of constructivism, classroom practices (with a link to Marilyn Burns' Math Solutions page), and a simple applet for solving linear equations. An interactive column
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Which One Doesn't Belong? - Mary Bourassa
Also known as Imposter Sets, "Which One Doesn't Belong?" provides thought-provoking puzzles, each with many different, correct ways of identifying the exceptional shape, number, graph, or equation from the colorful 2 × 2 grid of similar ones.
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Wholemovement - Bradford Hansen-Smith
Bradford Hansen-Smith presents the art and geometry of folding circles. As he explains, "Everything we know about geometry, mathematics, and all spatial arrangement and organization of matter is demonstrated by cutting into the wholeness of the sphere.
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The Why Files - University of Wisconsin
An electronic exploration of the issues of science, math, and technology that lurk behind the headlines of the day, presenting those topics in a clear, entertaining and accessible manner. Provides a bimonthly feature on the science of everyday life, archived
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William's Home Page - William Gibbs
A collection of activities that use simple materials to help students explore mathematical concepts. Topics include: shapes and patterns made from paper circles; geometrical activities with magic paper; window patterns from geometrical shapes; where there
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window into a math classroom - Sadie Estrella
A snapshot-driven blog subtitled "a glimpse into a math classroom once a day." Estrella's posts, enlivened with pictures of her students and of their work on classroom dry-erase whiteboards, have included "Trying Math Meta-Cognition," "More Arguing about
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WinFlash Flashcard Library - Open Window Software
A general purpose study program for helping students memorize math facts. Free flashcard decks and a fractions problem generator for use in mastering basic arithmetic facts. For use with any of the WinFlash series of flashcard-based learning systems.
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Winpossible
Online math courses in Winpossible's learning environment replicate the live classroom experience through authoring, presentation and distribution technologies that allow students to hear the teacher's voice and see their handwriting over the Internet.
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